Clean Water Act discharge permit · NPDES COG603095
BIG DRY CREEK TRAIL, Jefferson County, CO: NPDES COG603095 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
BIG DRY CREEK TRAIL, held by Westminster City of, holds NPDES permit COG603095, which discharges to Big Dry Creek. EPA’s file records it issued September 8, 2008 and expiring December 31, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BIG DRY CREEK TRAIL |
|---|---|
| Permittee as filed | Westminster City of |
| NPDES ID | COG603095 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 8, 2008 |
| Expiration date | December 31, 2012 |
| Address | Jefferson County, CO 80031 |
| Receiving water | Big Dry Creek |
| Subwatershed | Upper Big Dry Creek (HUC 101900030406) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With a violation of any kind
- 1With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 25 | 1 | September 30, 2015 | 20% over the limit |
| pH | 4 | 24 | 0 | ||
| Selenium, potentially dissolvd | 4 | 21 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 21 | 0 | ||
| Oil and grease visual | 2 | 12 | 0 | ||
| Oil and grease | 1 | 12 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES COG603095.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID COG603095 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.